Table 5 Codebooks of an energy pattern in the syllable “tɕ-i” (number of training data: 1116; codeword unit: dB)

Segment #1

[41.460808 48.002613 46.519337]

[42.038811 53.073967 53.203304]

[50.116665 57.359455 55.549446]

[47.017490 52.473804 49.475338]

Segment #2

[46.406963 46.657116]

[57.987080 61.677597]

[50.711330 52.214386]

[53.727646 56.790955]

Segment #3

[47.587864 43.693424 38.622551]

[56.583630 54.815712 50.843594]

[62.393520 61.550232 58.198242]

[54.124535 50.413986 43.915096]